org.apache.directory.shared.ldap.util
Class NoDuplicateKeysMap

java.lang.Object
  extended by java.util.AbstractMap<K,V>
      extended by java.util.HashMap
          extended by org.apache.directory.shared.ldap.util.NoDuplicateKeysMap
All Implemented Interfaces:
java.io.Serializable, java.lang.Cloneable, java.util.Map

public class NoDuplicateKeysMap
extends java.util.HashMap

A Map implementation derived from HashMap that only overrides a single method put() in order to prevent duplicate keyed entries to be added.

Version:
$Rev: 434411 $
Author:
Apache Directory Project
See Also:
Serialized Form

Constructor Summary
NoDuplicateKeysMap()
           
 
Method Summary
 java.lang.Object put(java.lang.Object key, java.lang.Object value)
          Overrides java.util.Map.put(java.lang.Object, java.lang.Object) to prevent duplicate keys.
 
Methods inherited from class java.util.HashMap
clear, clone, containsKey, containsValue, entrySet, get, isEmpty, keySet, putAll, remove, size, values
 
Methods inherited from class java.util.AbstractMap
equals, hashCode, toString
 
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface java.util.Map
equals, hashCode
 

Constructor Detail

NoDuplicateKeysMap

public NoDuplicateKeysMap()
Method Detail

put

public java.lang.Object put(java.lang.Object key,
                            java.lang.Object value)
                     throws java.lang.IllegalArgumentException
Overrides java.util.Map.put(java.lang.Object, java.lang.Object) to prevent duplicate keys.

Specified by:
put in interface java.util.Map
Overrides:
put in class java.util.HashMap
Throws:
java.lang.IllegalArgumentException
See Also:
Map.put(java.lang.Object, java.lang.Object)


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